Nelumbo Ne*lum"bo, prop. n. [Ceylonese word.] (Bot.)
A genus of great water lilies. The North Americanspecies is
{Nelumbo lutea}, the Asiatic is the sacred lotus, {Nelumbo
speciosa}. [Written also {Nelumbium}.]
[1913 Webster]

Nelumbo lutea — Yoncopin Yon co*pin, n. [Perhaps corrupted from Illinois micoupena, Chippewa makopin, the American lotus.] (Bot.) A local name in parts of the Mississippi Valley for the American lotus ({Nelumbo lutea}). [1913 Webster] … The Collaborative International Dictionary of English